Patents by Inventor Hyun Jun Park

Hyun Jun Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11952443
    Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Yang Jun Jeon, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Jin Hyuck Ju, Jae Hyun Park
  • Patent number: 11952442
    Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jin Hyuck Ju, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park
  • Publication number: 20240107441
    Abstract: A method of a terminal may comprise: receiving a first message including state information of a base station from the base station; identifying preliminary inactive state information included in the first message when the state information of the base station indicates a preliminary inactive state; and performing a cell selection based on the preliminary inactive state information.
    Type: Application
    Filed: September 26, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Seo PARK, Yong Jin KWON, Yun Joo KIM, Han Jun PARK, Jung Bo SON, An Seok LEE, Yu Ro LEE, Heesoo LEE, Sung Cheol CHANG
  • Publication number: 20240104709
    Abstract: A processor implemented method including outputting guide information to guide a capture of an image of a predetermined area via a camera of a mobile terminal including the processor, inputting a first exterior image of a vehicle, the first exterior image being captured based on the output guide information and a second exterior image of the vehicle stored in advance to a processor including a deep learning model, matching the first exterior image and the second exterior image with each other to acquire a matched image, masking a detected area from the predetermined image within the matched image as a masked area, and determining whether an exterior of the vehicle has been damaged and a type of damage based on the masked area.
    Type: Application
    Filed: July 7, 2023
    Publication date: March 28, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Yeong Hun PARK, Ki Hee PARK, Yu Jin JUNG, June Seung LEE, Hyun Jun LIM
  • Publication number: 20240107374
    Abstract: A method of a terminal may comprise: receiving a reference signal from a base station; generating channel information based on the reference signal; generating wavelet-transformed channel information by applying wavelet transform to the channel information; generating compressed channel information by compressing the wavelet-transformed channel information; and transmitting the compressed channel information to the base station.
    Type: Application
    Filed: September 22, 2023
    Publication date: March 28, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Jin KWON, Han Jun PARK, An Seok LEE, Heesoo LEE, Yun Joo KIM, Hyun Seo PARK, Jung Bo SON, Yu Ro LEE
  • Publication number: 20240096209
    Abstract: A system and method for providing a traffic accident handling service for a traffic accident are disclosed, where the method includes acquiring state information of a personal mobility device via a sensor and a camera of the personal mobility device, analyzing the traffic accident based on the acquired state information, receiving accident handling information corresponding to the traffic accident, and providing accident handling guide information based on the accident handling information.
    Type: Application
    Filed: July 13, 2023
    Publication date: March 21, 2024
    Applicant: HYUNDAI MOBIS CO., LTD.
    Inventors: Ki Hee PARK, Yeong Hun PARK, Yu Jin JUNG, June Seung LEE, Hyun Jun LIM
  • Publication number: 20240086342
    Abstract: A semiconductor system including a transmitter configured to output a plurality of data as a plurality of data input/output signals through a plurality of channels based on a matrix E, and a receiver configured to generate the plurality of data by differentially amplifying the plurality of data input/output signals received through the plurality of channels based on a matrix D, in which all components of the matrix E and the matrix D are integers, a product matrix of the matrix D and the matrix E is a diagonal matrix, a sum of the components of each row of the matrix D is 0, and a sum of absolute values of the components of each column of the matrix D is less than or equal to a threshold value.
    Type: Application
    Filed: June 27, 2023
    Publication date: March 14, 2024
    Applicants: Samsung Electronics Co., Ltd., UIF (University Industry Foundation), Yonsei University
    Inventors: HYUN JUN PARK, WOO-SEOK CHOI
  • Publication number: 20240035622
    Abstract: A cryogenic liquid storage apparatus includes an inner container configured to store a cryogenic liquid, an inner holder disposed at the inner container, an outer container that surrounds the inner container, an outer holder disposed at the outer container, and a support wire that is a single body defining a closed-loop shape passing through the outer holder and the inner holder. The support wire is configured to support the inner container with respect to the outer container.
    Type: Application
    Filed: December 14, 2022
    Publication date: February 1, 2024
    Inventors: Kwi Seong JEONG, Se Kwon JUNG, Dae Jun CHANG, Hyun Jun PARK, Se Hoon KIM
  • Publication number: 20230406413
    Abstract: A center pillar for a vehicle with improved stiffness, which has a sufficient stiffness in the event of rollover or a side collision of the vehicle, includes: a center pillar internal upper including an upper portion coupled to a roof side rail internal; and a center pillar internal lower including an upper portion coupled to a lower portion of the center pillar internal upper, and a lower portion coupled to a side sill to configure a center pillar internal, in which a center pillar reinforcement internal is coupled to an external surface of the center pillar internal, and a center pillar reinforcement external is coupled to an external surface of the center pillar reinforcement internal.
    Type: Application
    Filed: November 28, 2022
    Publication date: December 21, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Sang-Cheon KIM, Hyun-Jun PARK
  • Publication number: 20230225033
    Abstract: The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.
    Type: Application
    Filed: May 26, 2021
    Publication date: July 13, 2023
    Applicant: LUPLE INC.
    Inventors: Yong Duck KIM, Hyun Jun PARK, Nam Su LEE
  • Publication number: 20230085353
    Abstract: A capacitor-less low dropout regulator includes: a capacitor-less dual feedback loop unit including a plurality of feedback resistors, an error amplifier, and a transconductance cell to form a main loop passing through the error amplifier and a sub-loop passing through the gm cell without passing through the error amplifier; a dynamic compensation unit connected to a first main pole located at an output of the error amplifier and a second main pole located at an output of the gm cell to provide dynamic frequency compensation using a Miller effect to the first main pole and the second main pole according to a load current of the capacitor-less dual feedback loop unit; and a load current measurement unit configured to measure a load current of a third main pole formed at a load of the dual feedback loop unit to provide the load current to the dynamic compensation unit.
    Type: Application
    Filed: August 11, 2022
    Publication date: March 16, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Hyung-Min LEE, Hyun Jun PARK
  • Patent number: 11473578
    Abstract: Provided is a scroll compressor which has a reduced noise vibration by minimizing an impact sound generated when the operation of the scroll compressor is stopped.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: October 18, 2022
    Assignee: Hanon Systems
    Inventors: Hyun Seong Ahn, Hyun Jun Park, In Cheol Shin, Kweon Soo Lim, Chi Myeong Moon, Chang Eon Park
  • Patent number: 11442050
    Abstract: Provided is an aluminum ion detector. The aluminum ion detector may include apple extracts having a predetermined concentration, and metal nano particles coupled to the apple extracts.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: September 13, 2022
    Assignee: Korea University Research and Business Foundation, Sejong Campus
    Inventors: Jin Sung Park, Gyu Do Lee, Woong Kim, Hyun Jun Park
  • Publication number: 20220239211
    Abstract: The present disclosure relates to a horizontal linear vibrating motor, and more particularly, to a horizontal linear vibrating motor which has a smaller size than existing liner motors so as to be mounted on a small-size wearable watch, smart band or the like, while providing a strong vibration.
    Type: Application
    Filed: September 30, 2021
    Publication date: July 28, 2022
    Inventors: Jin-Seon KANG, Gyo-Suk CHOI, Hyun-Jun PARK, Hwa-Sic KIM, Jong-Ki LEE
  • Patent number: 11195505
    Abstract: The present disclosure relates to a lightweight noise absorbing material and a substrate having the same attached thereto, and more particularly, to a lightweight noise absorbing material providing lightweight and excellent noise absorption performance compared to existing noise absorbing materials by including a triple thin fiber layer in which upper and lower fine fiber layers are stacked respectively on upper and lower surfaces of a fibrous non-woven fabric, and a substrate having the lightweight noise absorbing material attached thereto.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: December 7, 2021
    Assignee: SEOYON E-HWA CO., LTD
    Inventor: Hyun Jun Park
  • Patent number: 11120734
    Abstract: An electronic device includes a display panel, a first power regulator to supply first power to an anode of light emitting diode and second power to a cathode of the light emitting diode, and a DDI including a second power regulator to supply third power to the anode of the light emitting diode and fourth power to the cathode of the light emitting diode, and connected with the first power regulator, and a processor. The processor outputs first content based on the first power and the second power, in a first operating mode, outputs second content based on the third power and the fourth power, in a second operating mode, and controls the third power to be higher than the first power, and the fourth power to be higher than the second power, when an operating mode is switched.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: September 14, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Kon Bae, Dong Hwy Kim, Hyun Jun Park, Hong Kook Lee, Dong Kyoon Han
  • Publication number: 20200357361
    Abstract: According to various embodiments of the present invention, disclosed is an electronic apparatus comprising: a first surface; a second surface opposite the first surface; a housing including a side surface member which encases the space between the first surface and the second surface; a display panel arranged on at least a portion of the housing; a substrate including a first layer, a second layer, and at least one inner layer arranged between the first layer and the second layer; a display driving circuit which is electrically connected to the display panel and the substrate; and a power regulator which is electrically connected to the display driving circuit through the substrate, wherein the power regulator supplies power to the display driving circuit through the at least one inner layer so that the display driving circuit generates a gray scale voltage. Other various embodiments identified through the specification are also enabled.
    Type: Application
    Filed: August 23, 2018
    Publication date: November 12, 2020
    Inventors: Hyun Jun PARK, Dong Kyoon HAN
  • Publication number: 20200175914
    Abstract: An electronic device includes a display panel, a first power regulator to supply first power to an anode of light emitting diode and to supply second power to a cathode of the light emitting diode, and a DDI including a second power regulator to supply third power to the anode of the light emitting diode and to supply fourth power to the cathode of the light emitting diode, and connected with the first power regulator, and a processor. The processor outputs first content based on the first power and the second power, in a first operating mode, outputs second content based on the third power and the fourth power, in a second operating mode, and controls the third power is maintained to be higher than the first power, and the fourth power is maintained to be higher than the second power when an operating mode is switched.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventors: Jong Kon BAE, Dong Hwy KIM, Hyun Jun PARK, Hong Kook LEE, Dong Kyoon HAN
  • Patent number: D957712
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: July 12, 2022
    Inventors: Yong Duck Kim, Hyun Jun Park, Nam Su Lee, Ji Yeon Jo
  • Patent number: D968010
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: October 25, 2022
    Inventors: Yong Duck Kim, Hyun Jun Park, Nam Su Lee, Ji Yeon Jo